2460778903969 has 3 divisors (see below), whose sum is σ = 2460780472657. Its totient is φ = 2460777335282.

The previous prime is 2460778903963. The next prime is 2460778903987. The reversal of 2460778903969 is 9693098770642.

The square root of 2460778903969 is 1568687.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2460778903969 - 2³⁷ = 2323339950497 is a prime.

It is a super-2 number, since 2×2460778903969² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2460778903898 and 2460778903907.

It is not an unprimeable number, because it can be changed into a prime (2460778903963) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 784344 + ... + 2353030.

Almost surely, 2^{2460778903969} is an apocalyptic number.

2460778903969 is the 1568687-th square number.

2460778903969 is the 784344-th centered octagonal number.

It is an amenable number.

2460778903969 is a deficient number, since it is larger than the sum of its proper divisors (1568688).

2460778903969 is an frugal number, since it uses more digits than its factorization.

2460778903969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137374 (or 1568687 counting only the distinct ones).

The product of its (nonzero) digits is 246903552, while the sum is 70.

The spelling of 2460778903969 in words is "two trillion, four hundred sixty billion, seven hundred seventy-eight million, nine hundred three thousand, nine hundred sixty-nine".