1058254781942 has 4 divisors (see below), whose sum is σ = 1587382172916. Its totient is φ = 529127390970.

The previous prime is 1058254781917. The next prime is 1058254782059. The reversal of 1058254781942 is 2491874528501.

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

It is a super-2 number, since 2×1058254781942² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264563695484 + ... + 264563695487.

It is an arithmetic number, because the mean of its divisors is an integer number (396845543229).

Almost surely, 2^{1058254781942} is an apocalyptic number.

1058254781942 is a deficient number, since it is larger than the sum of its proper divisors (529127390974).

1058254781942 is an equidigital number, since it uses as much as digits as its factorization.

1058254781942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529127390973.

The product of its (nonzero) digits is 6451200, while the sum is 56.

The spelling of 1058254781942 in words is "one trillion, fifty-eight billion, two hundred fifty-four million, seven hundred eighty-one thousand, nine hundred forty-two".