1051421837467 has 4 divisors (see below), whose sum is σ = 1051430216320. Its totient is φ = 1051413458616.

The previous prime is 1051421837447. The next prime is 1051421837497. The reversal of 1051421837467 is 7647381241501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1051421837467 - 2³⁵ = 1017062099099 is a prime.

It is a super-2 number, since 2×1051421837467² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1051421837467.

It is not an unprimeable number, because it can be changed into a prime (1051421837447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3998292 + ... + 4253137.

It is an arithmetic number, because the mean of its divisors is an integer number (262857554080).

Almost surely, 2^{1051421837467} is an apocalyptic number.

1051421837467 is a deficient number, since it is larger than the sum of its proper divisors (8378853).

1051421837467 is an equidigital number, since it uses as much as digits as its factorization.

1051421837467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8378852.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 1051421837467 in words is "one trillion, fifty-one billion, four hundred twenty-one million, eight hundred thirty-seven thousand, four hundred sixty-seven".