1234429449154 has 48 divisors (see below), whose sum is σ = 2056563545400. Its totient is φ = 555242336000.

The previous prime is 1234429449131. The next prime is 1234429449157. The reversal of 1234429449154 is 4519449244321.

It can be written as a sum of positive squares in 4 ways, for example, as 1216227391929 + 18202057225 = 1102827^2 + 134915^2 .

It is not an unprimeable number, because it can be changed into a prime (1234429449157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47624502 + ... + 47650414.

Almost surely, 2^{1234429449154} is an apocalyptic number.

1234429449154 is a deficient number, since it is larger than the sum of its proper divisors (822134096246).

1234429449154 is a wasteful number, since it uses less digits than its factorization.

1234429449154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27987 (or 27976 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 52.

The spelling of 1234429449154 in words is "one trillion, two hundred thirty-four billion, four hundred twenty-nine million, four hundred forty-nine thousand, one hundred fifty-four".