1802468061961 has 40 divisors (see below), whose sum is σ = 2264960484864. Its totient is φ = 1430127578880.

The previous prime is 1802468061913. The next prime is 1802468061983. The reversal of 1802468061961 is 1691608642081.

It is not a de Polignac number, because 1802468061961 - 2¹⁷ = 1802467930889 is a prime.

It is a super-2 number, since 2×1802468061961² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1802468061899 and 1802468061908.

It is not an unprimeable number, because it can be changed into a prime (1802468061061) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1185465 + ... + 2238361.

Almost surely, 2^{1802468061961} is an apocalyptic number.

It is an amenable number.

1802468061961 is a deficient number, since it is larger than the sum of its proper divisors (462492422903).

1802468061961 is an equidigital number, since it uses as much as digits as its factorization.

1802468061961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052979 (or 1052958 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 52.

The spelling of 1802468061961 in words is "one trillion, eight hundred two billion, four hundred sixty-eight million, sixty-one thousand, nine hundred sixty-one".