1421391261004 has 24 divisors (see below), whose sum is σ = 2922300915408. Its totient is φ = 596387941440.

The previous prime is 1421391260987. The next prime is 1421391261029. The reversal of 1421391261004 is 4001621931241.

It is a super-3 number, since 3×1421391261004³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242474307 + ... + 1242475450.

It is an arithmetic number, because the mean of its divisors is an integer number (121762538142).

Almost surely, 2^{1421391261004} is an apocalyptic number.

It is an amenable number.

1421391261004 is an abundant number, since it is smaller than the sum of its proper divisors (1500909654404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421391261004 is a wasteful number, since it uses less digits than its factorization.

1421391261004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484949785 (or 2484949783 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 1421391261004 in words is "one trillion, four hundred twenty-one billion, three hundred ninety-one million, two hundred sixty-one thousand, four".